The fishing season for Jordan Wein and Aaron Claus won’t start for another month or so, but already they’re predicting a much bigger haul than the 12,000 bronze-colored beauties they scored last year.

Carp Solutions, an upstart private company founded three years ago by a professor at the University of Minnesota, removes unwanted common carp in lakes infested with them. As more watershed managers see the results of improved water quality and more room for game fish, the phone keeps ringing with new business.

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